Examine source code of My theme

{
  "name": "My theme",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "IMG_20221222_080226.jpg"
    },
    "colors": {
      "frame": "rgba(204, 219, 255, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(219, 162, 162, 1)",
      "bookmark_text": "rgba(117, 78, 78, 1)",
      "toolbar_field": "rgba(85, 80, 87, 1)",
      "toolbar_field_text": "rgba(189, 38, 38, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d0275f12-ee73-42ee-960a-1bc9b8372ede}"
    }
  }
}